At the time of planting, the soil around each tree shall be thoroughly saturated with at least
twenty gallons of water. Soil shall be firmed at six to eight inch intervals and thoroughly settled
with water. Water shall be free from oil, have a pH not less than 6.0 nor greater than 8.0 and
shall be free from impurities injurious to vegetation. Water may be drawn from mains owned
by or supplying water to the City of New York. Please contact DEP for an access permit.